POV-Ray
This is silent installer for POV-Ray [1]
<packages>
<package id="povray" name="POV-Ray" revision="1" reboot="false" priority="0">
<check type="file" condition="exists" path="%PROGRAMFILES%\POV-Ray for Windows v3.62\bin\pvengine-sse2.exe" />
<install cmd='msiexec /qn /norestart /i %SOFTWARE%\povray\povwin362-32bit.msi' />
<upgrade cmd='msiexec /qn /norestart /i %SOFTWARE%\povray\povwin362-32bit.msi' />
<remove cmd='msiexec /qn /x {D0CE053E-0E5E-4C12-9BAE-D0F36021E911}' />
</package>
</packages>